Which of the following are identities? more than 1
a. sin x+ sin5x=tan3x
b. sin...
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Mathematics, 09.01.2020 05:31, ashleyzamarripa08
Which of the following are identities? more than 1
a. sin x+ sin5x=tan3x
b. sin^6 x+cos^6 x=4-3sin^2 2x
c. cos^2 3x-sin^2 3x=cos6x
d.(sin x+ cos x)^2 =1+sin 2x
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Answers: 3
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